EP3092135B1 - Rail vehicle wheel, and method for adapting a rail vehicle wheel to different wheel brake disk designs - Google Patents

Rail vehicle wheel, and method for adapting a rail vehicle wheel to different wheel brake disk designs Download PDF

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Publication number
EP3092135B1
EP3092135B1 EP14816169.8A EP14816169A EP3092135B1 EP 3092135 B1 EP3092135 B1 EP 3092135B1 EP 14816169 A EP14816169 A EP 14816169A EP 3092135 B1 EP3092135 B1 EP 3092135B1
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EP
European Patent Office
Prior art keywords
wheel
fastening holes
wheel brake
fastening
rail
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EP14816169.8A
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German (de)
French (fr)
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EP3092135A1 (en
Inventor
Rüdiger ZENZ
Alexander BEICHTBUCHNER
Daniela Gutschi
Jiri SLOUP
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Siemens Mobility Austria GmbH
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Siemens Mobility Austria GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B17/00—Wheels characterised by rail-engaging elements
    • B60B17/0006—Construction of wheel bodies, e.g. disc wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/12—Discs; Drums for disc brakes
    • F16D65/123—Discs; Drums for disc brakes comprising an annular disc secured to a hub member; Discs characterised by means for mounting
    • F16D65/124—Discs; Drums for disc brakes comprising an annular disc secured to a hub member; Discs characterised by means for mounting adapted for mounting on the wheel of a railway vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00—Purpose of invention
    • B60B2900/10—Reduction of
    • B60B2900/112—Costs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00—Purpose of invention
    • B60B2900/30—Increase in
    • B60B2900/351—Increase in versatility, e.g. usable for different purposes or different arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
    • B60B3/008—Disc wheels, i.e. wheels with load-supporting disc body by the form of wheel bolt mounting section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/30—Railway vehicles

Definitions

  • the invention relates to a rail wheel system with a large number of fastening holes (usually holes with a circular cross-section, such as bores) distributed over the circumference of the wheel and provided on the wheel web for fastening wheel brake discs with a predetermined distribution of corresponding fastening holes, with fastening holes for at least two different ones on the wheel web Designs of wheel brake discs are provided. A method for adapting a rail wheel system to different designs of wheel brake discs is also shown.
  • a wheel brake disc is generally fastened to the wheel body of a rail wheel by a large number of fastening means distributed over the circumference of the wheel and rests in this fastening area on the wheel body, more precisely on the wheel web.
  • wheel brake discs there can be only one wheel brake disc on one side of the rail wheel, or there can be two wheel brake discs, one on each side of the wheel, in which case both wheel brake discs can use the same mounting holes.
  • wheel brake discs can use the same mounting holes.
  • concentric wheel brake discs on one or both sides of the wheel are also conceivable.
  • a rail wheel includes the wheel rim (with the wheel flange) and the wheel body.
  • the wheel body in turn includes the wheel web and the wheel hub.
  • braking systems are used in rail vehicles, and a brake controller coordinates the interaction of all braking systems.
  • the most important braking system is the friction brake. This converts the kinetic energy of a rail vehicle into heat via two friction partners.
  • the friction partners in high-speed trains for example, are brake discs made of steel and brake pads made of sintered metal.
  • the brake discs are designed as wheel brake discs on the wheels.
  • the braking torque is transmitted from the wheel brake disc to the wheel via a non-positive connection, usually a screw connection, and/or via a positive connection.
  • connection of the wheel brake disc to the wheel and the way in which the braking torque is transmitted from the wheel brake disc to the rail wheel depend on the manufacturer of the wheel brake disc.
  • a decision must be made as to which interface (i.e. how many, how large, and with what arrangement of fastening holes are provided) between the rail wheel and the wheel brake disc.
  • this means a commitment to a specific design of the wheel brake discs or to a specific manufacturer.
  • wheel brake discs are wearing parts, there is a desire on the part of the railway operators not to be restricted to a specific design of wheel brake discs, but to be able to use wheel brake discs with different designs or from different manufacturers as spare parts.
  • the DE 10 2011 121785 A1 discloses a wheel disc for a rail vehicle, wherein a transition between a wheel web and a wheel hub or between the wheel web and a wheel rim is formed geometrically according to a tangent function. Bores are arranged on the wheel disk, via which, for example, a wheel brake disk or a sound absorber can be connected to the wheel disk.
  • fastening holes for at least two different designs of wheel brake discs are provided on the wheel web.
  • wheel brake discs can be attached to a rail wheel.
  • the mounting holes for different designs are at the same or similar distance from the wheel axle have. It is often possible to produce at least one fastening hole for different designs, which can be used for several different designs. There is then a first group of mounting holes that can be used for at least two different types of wheel brake discs and a second group of mounting holes that can only be used for one type of wheel brake disc.
  • a third group of fastening holes is provided, which can only be used for a further design of a wheel brake disc.
  • the mounting holes for a wheel brake disc are often located on a circle centered on the wheel axle, with the circle having the same or very similar circumference for different designs.
  • the fastening holes on the wheel web have at least a different distribution in the circumferential direction for different designs of wheel brake discs.
  • the distribution in the radial direction can therefore also be the same.
  • the mounting holes of different types of wheel brake discs often also differ in their diameter, but are similar in their spatial arrangement to one another.
  • the first group of fastening holes can be used for types of wheel brake discs with different diameters of the fastening holes by inserting bushings into the fastening holes of the wheel web if the inner diameter of the fastening holes of the first group needs to be reduced.
  • a rail wheel system according to the invention to which at least one wheel brake disc is attached by means of fastening means which engage in the fastening holes of the rail wheel, can be characterized in that one or more fastening holes provided on the wheel web of the rail wheel are free of fastening means. This is only not the case if the different designs of the wheel brake discs only differ in the number but not in the position of the fastening holes and that wheel brake disc(s) with the larger number of fastening holes are mounted.
  • the fastening means will be screws, which are arranged approximately along a circle with the center in the wheel axle, which has the advantage that the connection can be released.
  • the method according to the invention for adapting a rail wheel system according to the invention to different types of wheel brake discs provides that fastening holes for at least two different types of wheel brake discs are made on the wheel web.
  • the mutual spatial arrangement of a first group of fastening holes corresponds to the spatial arrangement of fastening holes on at least two different designs of wheel brake discs and a second group of fastening holes only corresponds to the spatial arrangement of fastening holes corresponds to a design of a wheel brake disc.
  • fastening holes of the wheel brake disc design used have a smaller diameter than the fastening holes provided on the wheel web of a rail wheel, clamping bushes can be inserted into the fastening holes of the first group.
  • the spatial arrangement of the mounting holes 1, 2 of a rail wheel is shown for a first design of a wheel brake disc.
  • the mounting holes are all on a circle, here with a diameter of about 600 mm.
  • six mounting holes 2 are provided with a relative to the mounting holes 1 larger diameter, which also have the same distance from each other. These are provided for the attachment of radial guides for the wheel brake disc, so that the wheel brake disc can be displaced radially along them and radial guidance of the wheel brake disc is ensured in the event of thermal expansion.
  • the associated wheel brake disc of the first design has twelve bores or mounting holes that have the same diameter and the same position as mounting holes 1. It also has six means for radial guides that correspond spatially to the radial guides that are located in mounting holes 2 of Rail wheel are attached.
  • FIG 2 shows the spatial arrangement of the mounting holes 3 of a rail wheel for a second design of a wheel brake disc.
  • the mounting holes are again all on a circle, here again with a diameter of about 600 mm.
  • Eight mounting holes 3 are provided, each with the same distance from one another. This are intended for fastening the wheel brake disc to the rail wheel using screws.
  • the diameter of the mounting holes 3 is larger than that of the mounting holes 1, 2 of the rail wheel 1 .
  • radial guides are provided, which, however, are also fastened in the fastening holes 3, e.g. in every second fastening hole 3.
  • the associated wheel brake disc of the second design has eight bores or mounting holes that have the same diameter and the same position as the mounting holes 3 of the rail wheel.
  • the top and bottom mounting hole 3 in this illustration has the same diameter as the mounting holes 3 2 executed, i.e. with the largest diameter occurring here. If a wheel brake disc of the first type (corresponding to 1 ) is to be mounted, the diameter must be reduced accordingly, for example with a clamping bush as shown in 4 is shown.
  • Clamping bushes or more precisely clamping bushes, are slotted hollow cylinders with different slot shapes and are made from tempered strip steel. In principle, other components could also be used instead of clamping bushes.
  • the outside diameter of the clamping bush 4 corresponds to the inside diameter of the fastening holes 3
  • the inside diameter of the clamping bush 4 corresponds to the diameter of the fastening holes 2.
  • wheel brake discs of the second design i.e. accordingly 2

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Description

Technisches Gebiettechnical field

Die Erfindung betrifft ein Schienenradsystem mit einer Vielzahl von über den Radumfang verteilten, am Radsteg vorgesehenen Befestigungslöchern (in der Regel Löcher mit kreisrundem Querschnitt, etwa Bohrungen) zur Befestigung von Radbremsscheiben mit einer vorgegebenen Verteilung von korrespondierenden Befestigungslöchern, wobei am Radsteg Befestigungslöcher für zumindest zwei unterschiedliche Bauformen von Radbremsscheiben vorgesehen sind. Auch wird ein Verfahren zur Anpassung eines Schienenradsystems an unterschiedliche Bauformen von Radbremsscheiben gezeigt.The invention relates to a rail wheel system with a large number of fastening holes (usually holes with a circular cross-section, such as bores) distributed over the circumference of the wheel and provided on the wheel web for fastening wheel brake discs with a predetermined distribution of corresponding fastening holes, with fastening holes for at least two different ones on the wheel web Designs of wheel brake discs are provided. A method for adapting a rail wheel system to different designs of wheel brake discs is also shown.

Eine Radbremsscheibe ist in der Regel durch eine Vielzahl von über den Radumfang verteilten Befestigungsmitteln am Radkörper eines Schienenrads befestigt und liegt in diesem Befestigungsbereich am Radkörper, genauer am Radsteg, an.A wheel brake disc is generally fastened to the wheel body of a rail wheel by a large number of fastening means distributed over the circumference of the wheel and rests in this fastening area on the wheel body, more precisely on the wheel web.

Dabei kann lediglich eine Radbremsscheibe auf einer Seite des Schienenrades vorgesehen sein, oder es können zwei Radbremsscheiben vorgesehen sein, auf jeder Seite des Rades eine, wobei dann beide Radbremsscheiben die gleichen Befestigungslöcher benutzen können. Denkbar sind auch mehrere konzentrische Radbremsscheiben auf einer oder auf beiden Seiten des Rades.There can be only one wheel brake disc on one side of the rail wheel, or there can be two wheel brake discs, one on each side of the wheel, in which case both wheel brake discs can use the same mounting holes. Several concentric wheel brake discs on one or both sides of the wheel are also conceivable.

Das Rad ist bei Schienenfahrzeugen meist als Vollrad, nämlich als Scheibenrad, ausgebildet. Die Erfindung ist aber nicht auf Vollräder beschränkt. Ein Schienenrad umfasst den Radkranz (mit dem Spurkranz) sowie den Radkörper. Der Radkörper wiederum umfasst den Radsteg und die Radnabe.In rail vehicles, the wheel is usually designed as a solid wheel, namely as a disk wheel. However, the invention is not limited to solid wheels. A rail wheel includes the wheel rim (with the wheel flange) and the wheel body. The wheel body in turn includes the wheel web and the wheel hub.

Neuer Stand der TechnikState of the art

In Schienenfahrzeugen kommen in der Regel mehrere Bremssysteme zur Anwendung, eine Bremssteuerung koordiniert das Zusammenspiel aller Bremssysteme. Das wichtigste Bremssystem ist dabei die Reibungsbremse. Diese wandelt die kinetische Energie eines Schienenfahrzeugs über zwei Reibpartner in Wärme um. Die Reibpartner bei Hochgeschwindigkeitszügen etwa sind Bremsscheiben aus Stahl und Bremsbeläge aus Sintermetall.As a rule, several braking systems are used in rail vehicles, and a brake controller coordinates the interaction of all braking systems. The most important braking system is the friction brake. This converts the kinetic energy of a rail vehicle into heat via two friction partners. The friction partners in high-speed trains, for example, are brake discs made of steel and brake pads made of sintered metal.

Die Bremsscheiben werden dabei als Radbremsscheiben an den Rädern ausgeführt. Das Bremsmoment wird von der Radbremsscheibe über eine kraftschlüssige Verbindung, meist eine Schraubverbindung, und/oder über eine formschlüssige Verbindung auf das Rad übertragen.The brake discs are designed as wheel brake discs on the wheels. The braking torque is transmitted from the wheel brake disc to the wheel via a non-positive connection, usually a screw connection, and/or via a positive connection.

Die Anbindung der Radbremsscheibe an das Rad und die Art, wie das Bremsmoment von der Radbremsscheibe auf das Schienenrad übertragen wird, sind vom Hersteller der Radbremsscheibe abhängig. Bereits in der Projektierung eines Schienenfahrzeugs muss entschieden werden, welche Schnittstelle (also etwa, wie viele, wie große, mit welcher Anorndnung Befestigungslöcher vorgesehen werden) zwischen Schienenrad und Radbremsscheibe ausgeführt wird. Dies bedeutet in der Regel die Festlegung auf eine bestimmte Ausführung der Radbremsscheiben bzw. auf einen bestimmten Hersteller.The connection of the wheel brake disc to the wheel and the way in which the braking torque is transmitted from the wheel brake disc to the rail wheel depend on the manufacturer of the wheel brake disc. As early as the project planning phase for a rail vehicle, a decision must be made as to which interface (i.e. how many, how large, and with what arrangement of fastening holes are provided) between the rail wheel and the wheel brake disc. As a rule, this means a commitment to a specific design of the wheel brake discs or to a specific manufacturer.

Da Radbremsscheiben jedoch Verschleißteile sind, besteht von Seiten der Bahnbetreiber der Wunsch, nicht auf eine bestimmte Bauform von Radbremsscheiben festgelegt zu sein, sondern als Ersatzteile Radbremsscheiben mit unterschiedlicher Bauform bzw. von verschiedenen Herstellern verwenden zu können.However, since wheel brake discs are wearing parts, there is a desire on the part of the railway operators not to be restricted to a specific design of wheel brake discs, but to be able to use wheel brake discs with different designs or from different manufacturers as spare parts.

Mit einer bestimmten Anordnung von Befestigungslöchern in einem Radsteg zur Befestigung von einer oder zwei Radbremsscheiben mittels Verschrauben können eben nur solche Radbremsscheiben mit korrespondierenden Befestigungslöchern verwendet werden. In der Regel unterscheiden sich jedoch Radbremsscheiben verschiedener Hersteller meist in der Anzahl der Befestigungslöcher und/oder deren Durchmesser.With a specific arrangement of mounting holes in a wheel stay for mounting one or two Wheel brake discs by screwing can only be used with corresponding mounting holes. As a rule, however, wheel brake discs from different manufacturers usually differ in the number of fastening holes and/or their diameter.

Die DE 10 2011 121785 A1 offenbart eine Radscheibe für ein Schienenfahrzeug, wobei ein Übergang zwischen einem Radsteg und einer Radnabe bzw. zwischen dem Radsteg und einem Radkranz geometrisch entsprechend einer Tangensfunktion ausgebildet ist. Auf der Radscheibe sind Bohrungen angeordnet, über welche beispielsweise eine Radbremsscheibe oder ein Schallabsorber mit der Radscheibe verbunden werden kann.The DE 10 2011 121785 A1 discloses a wheel disc for a rail vehicle, wherein a transition between a wheel web and a wheel hub or between the wheel web and a wheel rim is formed geometrically according to a tangent function. Bores are arranged on the wheel disk, via which, for example, a wheel brake disk or a sound absorber can be connected to the wheel disk.

Darstellung der ErfindungPresentation of the invention

Es ist daher eine Aufgabe der vorliegenden Erfindung, ein Schienenradsystem zur Verfügung zu stellen, an welchem verschiedene Radbremsscheiben, die sich in der Anzahl und/oder im Durchmesser der Befestigungslöcher unterscheiden, angebracht werden können.It is therefore an object of the present invention to provide a rail wheel system to which various wheel brake discs differing in the number and/or diameter of the mounting holes can be attached.

Diese Aufgabe wird durch ein Schienenradsystem mit den Merkmalen des Patentanspruchs 1 gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den jeweiligen abhängigen Ansprüchen definiert.This problem is solved by a rail wheel system with the features of patent claim 1 . Advantageous developments of the invention are defined in the respective dependent claims.

Dabei sind erfindungsgemäß am Radsteg Befestigungslöcher für zumindest zwei unterschiedliche Bauformen von Radbremsscheiben vorgesehen.According to the invention, fastening holes for at least two different designs of wheel brake discs are provided on the wheel web.

Somit kann wahlweise eine von mehreren Bauformen von Radbremsscheiben an einem Schienenrad befestigt werden.Thus, one of several designs of wheel brake discs can be attached to a rail wheel.

In der Regel werden die Befestigungslöcher für verschiedene Bauformen einen gleichen oder ähnlichen Abstand zur Radachse haben. Damit kann man für unterschiedliche Bauformen oft zumindest ein Befestigungsloch fertigen, das für mehrere unterschiedliche Bauformen verwendet werden kann. Es gibt dann eine erste Gruppe von Befestigungslöchern, die für zumindest zwei unterschiedliche Bauformen von Radbremsscheiben verwendbar ist und eine zweite Gruppe von Befestigungslöchern, die nur für eine Bauform einer Radbremsscheibe verwendbar ist.As a rule, the mounting holes for different designs are at the same or similar distance from the wheel axle have. It is often possible to produce at least one fastening hole for different designs, which can be used for several different designs. There is then a first group of mounting holes that can be used for at least two different types of wheel brake discs and a second group of mounting holes that can only be used for one type of wheel brake disc.

Wenn sich die verschiedenen Bauformen der Radbremsscheiben stark voneinander unterscheiden, kann es sein, dass eine dritte Gruppe von Befestigungslöchern vorgesehen ist, die nur für eine weitere Bauform einer Radbremsscheibe verwendbar ist.If the different designs of the wheel brake discs differ greatly from one another, it may be that a third group of fastening holes is provided, which can only be used for a further design of a wheel brake disc.

Oft liegen die Befestigungslöcher für eine Radbremsschreibe auf einem Kreis mit Zentrum in der Radachse, wobei der Kreis für verschiedene Bauformen gleichen oder sehr ähnlichen Umfang aufweist. Insofern kann vorgesehen sein, dass die Befestigungslöcher am Radsteg für unterschiedliche Bauformen von Radbremsscheiben zumindest eine unterschiedliche Verteilung in Umfangsrichtung aufweisen. Die Verteilung in radialer Richtung kann also auch gleich sein.The mounting holes for a wheel brake disc are often located on a circle centered on the wheel axle, with the circle having the same or very similar circumference for different designs. In this respect it can be provided that the fastening holes on the wheel web have at least a different distribution in the circumferential direction for different designs of wheel brake discs. The distribution in the radial direction can therefore also be the same.

Oft unterscheiden sich die Befestigungslöcher unterschiedlicher Bauformen von Radbremsscheiben auch in ihrem Durchmesser, gleichen sich aber in ihrer räumlichen Anordnung zueinander. In diesem Fall kann vorgesehen sein, dass die erste Gruppe von Befestigungslöchern für Bauformen von Radbremsscheiben mit unterschiedlichen Durchmessern der Befestigungslöcher verwendbar ist, indem bei einer notwendigen Verringerung des Innendurchmessers der Befestigungslöcher der ersten Gruppe Spannbuchsen in die Befestigungslöcher des Radstegs eingesetzt sind.The mounting holes of different types of wheel brake discs often also differ in their diameter, but are similar in their spatial arrangement to one another. In this case it can be provided that the first group of fastening holes can be used for types of wheel brake discs with different diameters of the fastening holes by inserting bushings into the fastening holes of the wheel web if the inner diameter of the fastening holes of the first group needs to be reduced.

Wenn am erfindungsgemäßen Schienenradsystem die erforderliche(n) Radbremsscheibe(n) montiert sind, bleibt es in den meisten Fällen dennoch als solches erkennbar, weil im Gegensatz zu herkömmlichen Schienenrädern nicht immer alle Befestigungslöcher am Radsteg in Verwendung sind. Ein erfindungsgemäßes Schienenradsystem, an welchem mittels Befestigungsmitteln, die in die Befestigungslöcher des Schienenrads eingreifen, zumindest eine Radbremsscheibe befestigt ist, kann sich dadurch auszeichnen, dass ein oder mehrere am Radsteg des Schienenrades vorgesehene Befestigungslöcher frei von Befestigungsmitteln sind. Dies ist nur dann nicht der Fall, wenn sich die verschiedenen Bauformen der Radbremsscheiben nur in der Anzahl, aber nicht in der Lage der Befestigungslöcher unterscheiden und jene Radbremsscheibe(n) mit der größeren Anzahl von Befestigungslöchern montiert sind.If the required wheel brake disc(s) are/are mounted on the rail wheel system according to the invention, it remains In most cases, however, recognizable as such because, in contrast to conventional rail wheels, not all of the fastening holes on the wheel web are always in use. A rail wheel system according to the invention, to which at least one wheel brake disc is attached by means of fastening means which engage in the fastening holes of the rail wheel, can be characterized in that one or more fastening holes provided on the wheel web of the rail wheel are free of fastening means. This is only not the case if the different designs of the wheel brake discs only differ in the number but not in the position of the fastening holes and that wheel brake disc(s) with the larger number of fastening holes are mounted.

In der Regel werden die Befestigungsmittel Schrauben sein, die etwa entlang eines Kreises mit Zentrum in der Radachse angeordnet sind, was den Vorteil hat, dass die Verbindung gelöst werden kann.As a rule, the fastening means will be screws, which are arranged approximately along a circle with the center in the wheel axle, which has the advantage that the connection can be released.

Das erfindungsgemäße Verfahren zur Anpassung eines erfindungsgemäßen Schienenradsystems an unterschiedliche Bauformen von Radbremsscheiben sieht vor, dass am Radsteg Befestigungslöcher für zumindest zwei unterschiedliche Bauformen von Radbremsscheiben gefertigt werden.The method according to the invention for adapting a rail wheel system according to the invention to different types of wheel brake discs provides that fastening holes for at least two different types of wheel brake discs are made on the wheel web.

Im Falle eines gleichen oder ähnlichen Abstands der Befestigungslöcher zur Radachse kann vorgesehen sein, dass die gegenseitige räumliche Anordnung einer ersten Gruppe von Befestigungslöchern der räumlichen Anordnung von Befestigungslöchern auf zumindest zwei unterschiedlichen Bauformen von Radbremsscheiben entspricht und eine zweite Gruppe von Befestigungslöchern nur der räumlichen Anordnung von Befestigungslöchern für eine Bauform einer Radbremsscheibe entspricht.If the distance between the fastening holes and the wheel axle is the same or similar, it can be provided that the mutual spatial arrangement of a first group of fastening holes corresponds to the spatial arrangement of fastening holes on at least two different designs of wheel brake discs and a second group of fastening holes only corresponds to the spatial arrangement of fastening holes corresponds to a design of a wheel brake disc.

Wenn die Befestigungslöcher der verwendeten Bauform der Radbremsscheibe einen kleineren Durchmesser aufweisen als die vorgesehenen Befestigungslöcher am Radsteg eines Schienenrades, dann können in die Befestigungslöcher der ersten Gruppe Spannbuchsen eingesetzt werden.If the fastening holes of the wheel brake disc design used have a smaller diameter than the fastening holes provided on the wheel web of a rail wheel, clamping bushes can be inserted into the fastening holes of the first group.

Mit der vorliegenden Erfindung ist es möglich, am selben Schienenrad Radbremsscheiben von zwei oder mehreren Herstellern zu montieren, wobei dann eine behördliche Zulassung für nur dieses eine Schienenrad erforderlich ist. Für den Bahnbetreiber wird die Verfügbarkeit von Ersatzteilen erhöht, weil er aus den Radbremsscheiben mehrerer Hersteller wählen kann. Gleichzeitig wird für den Bahnbetreiber die Lagerhaltung von Schienenrädern vereinfacht, weil nur mehr eine Bauform auf Lager gehalten werden muss, statt wie bisher immer verschiedene Schienenräder für verschiedene Radbremsscheiben.With the present invention, it is possible to mount wheel brake discs from two or more manufacturers on the same rail wheel, with official approval then being required for only this one rail wheel. The availability of spare parts is increased for the railway operator because he can choose from the wheel brake discs of several manufacturers. At the same time, stocking of rail wheels is simplified for the railway operator because only one design has to be kept in stock instead of having to keep different rail wheels for different wheel brake discs, as has always been the case.

Kurzbeschreibung der FigurenBrief description of the figures

Zur weiteren Erläuterung der Erfindung wird im nachfolgenden Teil der Beschreibung auf die Figuren Bezug genommen, aus der weitere vorteilhafte Ausgestaltungen, Einzelheiten und Weiterbildungen der Erfindung zu entnehmen sind. Es zeigen:

  • Fig. 1 eine schematische Darstellung der Befestigungslöcher eines Schienenrades für eine erste Bauform einer Radbremsscheibe,
  • Fig. 2 eine schematische Darstellung der Befestigungslöcher eines Schienenrades für eine zweite Bauform einer Radbremsscheibe,
  • Fig. 3 eine schematische Darstellung der Befestigungslöcher eines erfindungsgemäßen Schienenrades für die erste und die zweite Bauform einer Radbremsscheibe nach Fig. 1 bzw. 2,
  • Fig. 4 eine Spannbuchse zum Einsetzen in das Schienenrad aus Fig. 3.
For further explanation of the invention, reference is made to the figures in the following part of the description, from which further advantageous configurations, details and developments of the invention can be found. Show it:
  • 1 a schematic representation of the fastening holes of a rail wheel for a first design of a wheel brake disc,
  • 2 a schematic representation of the fastening holes of a rail wheel for a second design of a wheel brake disc,
  • 3 a schematic representation of the fastening holes of a rail wheel according to the invention for the first and the second design of a wheel brake disc 1 or 2,
  • 4 a clamping bush for insertion into the rail wheel 3 .

Ausführung der Erfindungimplementation of the invention

In Fig. 1 ist die räumliche Anordnung der Befestigungslöcher 1, 2 eines Schienenrades für eine erste Bauform einer Radbremsscheibe dargestellt. Die Befestigungslöcher liegen alle auf einem Kreis, hier mit einem Durchmesser von etwa 600 mm. Es sind zwölf Befestigungslöcher 1 mit einem kleineren Durchmesser vorgesehen, mit jeweils gleichem Abstand zueinander. Diese sind für die Befestigung der Radbremsscheibe am Schienenrad mittels Schrauben vorgesehen. Weiters sind sechs Befestigungslöcher 2 mit einem relativ zu den Befestigungslöchern 1 größeren Durchmesser vorgesehen, die ebenfalls jeweils gleichem Abstand zueinander aufweisen. Diese sind für die Befestigung von Radialführungen für die Radbremsscheibe vorgesehen, sodass die Radbremsscheibe entlang dieser radial verschiebbar ist und eine radiale Führung der Radbremsscheibe im Falle der erwärmungsbedingten Ausdehnung gewährleistet ist.In 1 the spatial arrangement of the mounting holes 1, 2 of a rail wheel is shown for a first design of a wheel brake disc. The mounting holes are all on a circle, here with a diameter of about 600 mm. There are twelve fixing holes 1 with a smaller diameter, each with the same distance from each other. These are intended for fastening the wheel brake disc to the rail wheel using screws. Furthermore, six mounting holes 2 are provided with a relative to the mounting holes 1 larger diameter, which also have the same distance from each other. These are provided for the attachment of radial guides for the wheel brake disc, so that the wheel brake disc can be displaced radially along them and radial guidance of the wheel brake disc is ensured in the event of thermal expansion.

Die zugehörige Radbremsscheibe erster Bauform weist zwölf Bohrungen bzw. Befestigungslöcher auf, die den gleichen Durchmesser und die gleiche Lage haben wie die Befestigungslöcher 1. Sie weist darüber hinaus sechs Mittel zur Radialführungen auf, die mit den Radialführungen räumlich korrespondieren, welche in den Befestigungslöchern 2 des Schienenrades befestigt sind.The associated wheel brake disc of the first design has twelve bores or mounting holes that have the same diameter and the same position as mounting holes 1. It also has six means for radial guides that correspond spatially to the radial guides that are located in mounting holes 2 of Rail wheel are attached.

In Fig. 2 ist die räumliche Anordnung der Befestigungslöcher 3 eines Schienenrades für eine zweite Bauform einer Radbremsscheibe dargestellt. Die Befestigungslöcher liegen wieder alle auf einem Kreis, hier wieder mit einem Durchmesser von etwa 600 mm. Es sind acht Befestigungslöcher 3 vorgesehen, mit jeweils gleichem Abstand zueinander. Diese sind für die Befestigung der Radbremsscheibe am Schienenrad mittels Schrauben vorgesehen. Der Durchmesser der Befestigungslöcher 3 ist größer als jener der Befestigungslöcher 1, 2, des Schienenrades aus Fig. 1. Auch in Fig. 2 sind Radialführungen vorgesehen, die allerdings ebenfalls in den Befestigungslöchern 3 befestigt sind, z.B. in jedem zweiten Befestigungsloch 3.In 2 shows the spatial arrangement of the mounting holes 3 of a rail wheel for a second design of a wheel brake disc. The mounting holes are again all on a circle, here again with a diameter of about 600 mm. Eight mounting holes 3 are provided, each with the same distance from one another. This are intended for fastening the wheel brake disc to the rail wheel using screws. The diameter of the mounting holes 3 is larger than that of the mounting holes 1, 2 of the rail wheel 1 . Also in 2 radial guides are provided, which, however, are also fastened in the fastening holes 3, e.g. in every second fastening hole 3.

Die zugehörige Radbremsscheibe zweiter Bauform weist acht Bohrungen bzw. Befestigungslöcher auf, die den gleichen Durchmesser und die gleiche Lage haben wie die Befestigungslöcher 3 des Schienenrades.The associated wheel brake disc of the second design has eight bores or mounting holes that have the same diameter and the same position as the mounting holes 3 of the rail wheel.

In Fig. 3 sind nun die Befestigungslöcher eines erfindungsgemäßen Schienenrades dargestellt, an welches sowohl Radbremsscheiben der ersten als auch der zweiten Bauform (nach Fig. 1 bzw. 2) montiert werden können. Es weist insgesamt zwanzig Befestigungslöcher auf, von denen sechs für beide Bauformen verwendet werden.In 3 the mounting holes of a rail wheel according to the invention are now shown, to which both wheel brake discs of the first and the second design (according to 1 or 2) can be mounted. It has a total of twenty mounting holes, six of which are used for both designs.

Das in dieser Darstellung oberste und unterste Befestigungsloch 3 ist mit dem gleichen Durchmesser wie die Befestigungslöcher 3 aus Fig. 2 ausgeführt, also mit dem größten hier vorkommenden Durchmesser. Falls eine Radbremsscheibe erster Bauform (entsprechend Fig. 1) montiert werden soll, so ist der Durchmesser entsprechend zu verkleinern, etwa mit einer Spannbuchse, wie sie in Fig. 4 dargestellt ist. Spannbuchsen, oder genauer Einspannbuchsen, sind geschlitzte Hohlzylinder mit verschiedenen Schlitzformen, und etwa aus vergütetem Bandstahl gefertigt. Grundsätzlich könnten statt Spannbuchsen auch andere Bauelemente verwendet werden. Der Außendurchmesser der Spannbuchse 4 entspricht dabei dem Innendurchmesser der Befestigungslöcher 3, der Innendurchmesser der Spannbuchse 4 entspricht dem Durchmesser der Befestigungslöcher 2.The top and bottom mounting hole 3 in this illustration has the same diameter as the mounting holes 3 2 executed, i.e. with the largest diameter occurring here. If a wheel brake disc of the first type (corresponding to 1 ) is to be mounted, the diameter must be reduced accordingly, for example with a clamping bush as shown in 4 is shown. Clamping bushes, or more precisely clamping bushes, are slotted hollow cylinders with different slot shapes and are made from tempered strip steel. In principle, other components could also be used instead of clamping bushes. The outside diameter of the clamping bush 4 corresponds to the inside diameter of the fastening holes 3, the inside diameter of the clamping bush 4 corresponds to the diameter of the fastening holes 2.

Vier weitere Befestigungslöcher 3 in Fig. 3 sind ebenfalls entsprechend den Befestigungslöchern 3 in Fig. 2 ausgeführt, also mit dem größten Durchmesser. Sie finden entweder für die Radbremsscheibe zweiter Bauform nach Fig. 2 Anwendung oder für die Radbremsscheibe erster Bauform nach Fig. 1, nämlich für die an der gleichen Stelle dort vorgesehenen Befestigungslöcher 1. Da die Befestigungslöcher 1 für die erste Bauform der Radbremsscheibe jedoch einen geringeren Durchmesser benötigen, müssen auch hier bei Montage von Bremsscheiben der ersten Bauform Spannhülsen 4 in diese vier Befestigungslöcher 3 eingesetzt werden. Der Außendurchmesser der Spannbuchse 4 entspricht dabei dem Innendurchmesser der Befestigungslöcher 3, der Innendurchmesser der Spannbuchse 4 entspricht dem Durchmesser der Befestigungslöcher 1.Four additional mounting holes 3 in 3 are also corresponding to the mounting holes 3 in 2 executed, i.e. with the largest diameter. You will find either the second design for the wheel brake disc 2 Application or for the wheel brake disc according to the first design 1 , namely for the fastening holes 1 provided in the same place. However, since the fastening holes 1 for the first design of the wheel brake disc require a smaller diameter, clamping sleeves 4 must also be inserted into these four fastening holes 3 when installing brake discs of the first design. The outside diameter of the clamping bush 4 corresponds to the inside diameter of the fastening holes 3, the inside diameter of the clamping bush 4 corresponds to the diameter of the fastening holes 1.

Wenn Radbremsscheiben der zweiten Bauform, also entsprechend Fig. 2, montiert werden, sind keine Anpassungen der Befestigungslöcher 1, 2, 3 in Fig. 3 notwendig.If wheel brake discs of the second design, i.e. accordingly 2 , are not mounting hole adjustments 1, 2, 3 in 3 necessary.

Bezugszeichenliste:Reference list:

11
kleineres Befestigungsloch für erste Bauformsmaller mounting hole for first design
22
größeres Befestigungsloch für erste Bauformlarger mounting hole for first design
33
Befestigungsloch für zweite BauformMounting hole for second design
44
Spannbuchseclamping bush

Claims (10)

  1. Rail wheel system with a large number of fastening holes (1, 2, 3) that are distributed over the wheel circumference and provided on the wheel web for fastening wheel brake disks with a predetermined distribution of corresponding fastening holes, wherein fastening holes (1, 2, 3) for at least two different designs of wheel brake disks are provided on the wheel web, characterised in that first fastening holes (1) are provided on the rail wheel system for fastening a wheel brake disk of a first design to the rail wheel by means of screws, second fastening holes (2) are provided for fastening radial guides for the wheel brake disk of the first design, and third fastening holes (3) are provided for fastening a wheel brake disk of a second design to the rail wheel by means of screws and radial guides, wherein the diameter of the third fastening holes (3) is greater than that of the first and second fastening holes (1, 2) and the diameter of the second fastening holes (2) is greater than that of the first fastening holes (1) and all fastening holes (1, 2, 3) lie on a circle, wherein, if a wheel brake disk of a first design is to be mounted, the third fastening holes (3) are made smaller using clamping bushings (4), wherein external diameters of the clamping bushings (4) correspond to the internal diameter of the third fastening holes (3) and internal diameters of the clamping bushings (4) correspond partially to the diameter of the first fastening holes (1) and partially to the diameter of the second fastening holes (2) .
  2. Rail wheel system according to claim 1, characterised in that a first group of third fastening holes (3) can be used for at least two different designs of wheel brake disks and a second group of first and second fastening holes (1, 2) can only be used for one design of a wheel brake disk.
  3. Rail wheel system according to claim 2, characterised in that a third group of fastening holes is provided, which can only be used for a further design of a wheel brake disk.
  4. Rail wheel system according to one of claims 1 to 3, characterised in that the fastening holes (1, 2, 3) on the wheel web have at least one different distribution in the circumferential direction for different designs of wheel brake disks.
  5. Rail wheel system according to one of claims 1 to 3, characterised in that a or the first group of third fastening holes (3) can be used for designs of wheel brake disks with different diameters of the fastening holes, by clamping bushings (4) being introduced into the third fastening holes (3) of the wheel web when it is necessary to reduce the internal diameter of the fastening holes of the first group.
  6. Rail wheel system according to one of claims 1 to 5, to which at least one wheel brake disk is fastened by means of fastening means, which engage into the fastening holes (1, 2, 3) of the rail wheel, characterised in that one or more first and second fastening holes (1, 2) provided on the wheel web of the rail wheel are free of fastening means.
  7. Rail wheel system according to claim 6, characterised in that the fastening means are screws.
  8. Method for adapting a rail wheel system according to one of claims 1 to 7 to different designs of wheel brake disks, characterised in that fastening holes (1, 2, 3) for at least two different designs of wheel brake disks are manufactured on the wheel web.
  9. Method according to claim 8, characterised in that the opposing spatial arrangement of a first group of third fastening holes (3) is implemented in a corresponding manner to the spatial arrangement of fastening holes on at least two different designs of wheel brake disks, and a second group of first and second fastening holes (1, 2) is only implemented in a corresponding manner to the spatial arrangement of fastening holes for one design of a wheel brake disk.
  10. Method according to claim 8 or 9, characterised in that clamping bushings (4) are introduced into the third fastening holes (3) of the first group, if the fastening holes of the used design of the wheel brake disk have a smaller diameter.
EP14816169.8A 2014-01-09 2014-12-10 Rail vehicle wheel, and method for adapting a rail vehicle wheel to different wheel brake disk designs Active EP3092135B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT500122014 2014-01-09
PCT/EP2014/077126 WO2015104121A1 (en) 2014-01-09 2014-12-10 Rail vehicle wheel, and method for adapting a rail vehicle wheel to different wheel brake disk designs

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EP3092135A1 EP3092135A1 (en) 2016-11-16
EP3092135B1 true EP3092135B1 (en) 2023-05-03

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WO (1) WO2015104121A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10704628B2 (en) 2018-07-20 2020-07-07 Bendix Spicer Foundation Brake Llc Brake disc mounting arrangement
US10830295B2 (en) 2018-07-20 2020-11-10 Bendix Spicer Foundation Brake Llc Brake disc mounting arrangement
US10837509B2 (en) 2018-07-20 2020-11-17 Bendix Spicer Foundation Brake Llc Brake disc mounting arrangement

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0788896A2 (en) * 1996-02-09 1997-08-13 Lucchini Siderurgica S.p.A. Improved monobloc wheel for locomotives and rail-vehicles
FR2836091A1 (en) * 2002-02-20 2003-08-22 Valdunes Wheel for railway vehicle has rim and hub connected by disc with reinforced holes for brake disc fastenings
DE102011121785A1 (en) * 2011-12-21 2013-06-27 Voith Patent Gmbh Wheel disc for a rail vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0788896A2 (en) * 1996-02-09 1997-08-13 Lucchini Siderurgica S.p.A. Improved monobloc wheel for locomotives and rail-vehicles
FR2836091A1 (en) * 2002-02-20 2003-08-22 Valdunes Wheel for railway vehicle has rim and hub connected by disc with reinforced holes for brake disc fastenings
DE102011121785A1 (en) * 2011-12-21 2013-06-27 Voith Patent Gmbh Wheel disc for a rail vehicle

Also Published As

Publication number Publication date
WO2015104121A1 (en) 2015-07-16
EP3092135A1 (en) 2016-11-16

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